com.nokia.s60tools.testdrop.actions.BindingAction.java Source code

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Here is the source code for com.nokia.s60tools.testdrop.actions.BindingAction.java

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/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/

package com.nokia.s60tools.testdrop.actions;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

import com.nokia.s60tools.testdrop.util.LogExceptionHandler;
import com.nokia.s60tools.testdrop.util.StartUp;

/**
 * Class used to perform actions after choosing 'Send TestDrop' item from the main 
 * menu's 'Carbide' item or using Alt+D keyboard shortcut
 */
public class BindingAction implements IWorkbenchWindowActionDelegate {

    private IWorkbenchWindow window;
    private boolean validTestDropItemSelected = false;

    /**
     * The constructor.
     */
    public BindingAction() {
    }

    /**
     * The action has been activated. The argument of the method represents the
     * 'real' action sitting in the workbench UI.
     * 
     * @see IWorkbenchWindowActionDelegate#run
     */
    public void run(IAction action) {
        if (validTestDropItemSelected) {
            try {
                StartUp.setActivePartTargetDialogByBinding(action, window);
                StartUp.startTargetDialog(action, null);
            } catch (NullPointerException ex) {
                LogExceptionHandler.showErrorDialog(ex.getMessage());
            }
        }
    }

    /**
     * Selection in the workbench has been changed. We can change the state of
     * the 'real' action here if we want, but this can only happen after the
     * delegate has been created.
     * 
     * @see IWorkbenchWindowActionDelegate#selectionChanged
     */
    public void selectionChanged(IAction action, ISelection selection) {
        validTestDropItemSelected = false; //we assume first that selection is invalid
        if (selection instanceof StructuredSelection) {
            StructuredSelection strSel = (StructuredSelection) selection;
            Object res = strSel.getFirstElement();
            if (res instanceof IProject) {
                IProject project = (IProject) res;
                validTestDropItemSelected = project.isOpen(); //if project is open then this is a valid selection
            } else if (res instanceof IFile) {
                IFile file = (IFile) res;
                String extension = file.getFileExtension();
                if (extension.equals("cfg")) {
                    validTestDropItemSelected = true; //if this is a cfg file then this is a valid selection
                }
            }
        }
    }

    /**
     * Use this method to dispose of any system resources we previously
     * allocated.
     * 
     * @see IWorkbenchWindowActionDelegate#dispose
     */
    public void dispose() {
    }

    /*
     * (non-Javadoc)
     * 
     * @see IWorkbenchWindowActionDelegate#init
     */
    public void init(IWorkbenchWindow window) {
        this.window = window;
    }
}